Bump protobuf in /python in the pip group across 1 directory

Bumps the pip group with 1 update in the /python directory: [protobuf](https://github.com/protocolbuffers/protobuf).


Updates `protobuf` from 5.29.4 to 5.29.5
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.29.4...v5.29.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 5.29.5
  dependency-type: indirect
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]